1 /* 2 * SPDX-License-Identifier: Apache-2.0 3 * Copyright (c) 2024 sensry.io 4 */ 5 6 #ifndef GANYMED_SY1XX_PINCTRL_SOC_H 7 #define GANYMED_SY1XX_PINCTRL_SOC_H 8 9 #include <stdint.h> 10 11 #include <zephyr/devicetree.h> 12 13 #ifdef __cplusplus 14 extern "C" { 15 #endif 16 17 #define SY1XX_SCHMITT_ENABLE 1U 18 #define SY1XX_PULL_UP_ENABLE 1U 19 #define SY1XX_PULL_DOWN_ENABLE 1U 20 #define SY1XX_TRISTATE_ENABLE 1U 21 #define SY1XX_OUTPUT_ENABLE 1U 22 23 #define SY1XX_PAD_SCHMITT_OFFS 7 24 #define SY1XX_PAD_PULL_UP_OFFS 5 25 #define SY1XX_PAD_PULL_DOWN_OFFS 4 26 #define SY1XX_PAD_DRIVE_OFFS 2 27 #define SY1XX_PAD_TRISTATE_OFFS 1 28 #define SY1XX_PAD_DIR_OFFS 0 29 30 /** Type for SY1XX pin. */ 31 typedef struct { 32 /** address of pin config register */ 33 uint32_t addr; 34 /** intra register offset (8bit cfg per pin) */ 35 uint32_t iro; 36 /** config for pin (8bit), describes pull-up/down, ... */ 37 uint32_t cfg; 38 } pinctrl_soc_pin_t; 39 40 #define Z_PINCTRL_CFG(node) \ 41 ( \ 42 \ 43 (SY1XX_SCHMITT_ENABLE * DT_PROP(node, input_schmitt_enable)) \ 44 << SY1XX_PAD_SCHMITT_OFFS | \ 45 (SY1XX_PULL_UP_ENABLE * DT_PROP(node, bias_pull_up)) << SY1XX_PAD_PULL_UP_OFFS | \ 46 (SY1XX_PULL_DOWN_ENABLE * DT_PROP(node, bias_pull_down)) \ 47 << SY1XX_PAD_PULL_DOWN_OFFS | \ 48 (SY1XX_TRISTATE_ENABLE * DT_PROP(node, bias_high_impedance)) \ 49 << SY1XX_PAD_TRISTATE_OFFS | \ 50 (SY1XX_OUTPUT_ENABLE & (1 - DT_PROP(node, input_enable))) << SY1XX_PAD_DIR_OFFS \ 51 \ 52 ) 53 54 #define Z_PINCTRL_STATE_PIN_INIT(node, pr, idx) \ 55 { \ 56 \ 57 .addr = DT_PROP_BY_IDX(DT_PHANDLE_BY_IDX(node, pr, idx), pinmux, 0), \ 58 .iro = DT_PROP_BY_IDX(DT_PHANDLE_BY_IDX(node, pr, idx), pinmux, 1), \ 59 .cfg = Z_PINCTRL_CFG(DT_PHANDLE_BY_IDX(node, pr, idx)) \ 60 \ 61 }, 62 63 #define Z_PINCTRL_STATE_PINS_INIT(node_id, prop) \ 64 { \ 65 DT_FOREACH_PROP_ELEM(node_id, prop, Z_PINCTRL_STATE_PIN_INIT) \ 66 } 67 68 #ifdef __cplusplus 69 } 70 #endif 71 72 #endif /* GANYMED_SY1XX_PINCTRL_SOC_H */ 73
